NBS Special Publication, Issues 556-559U.S. Government Printing Office, 1979 |
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Page 32
... pressure liquid chromatograph ( HPLC ) automatically coupled to the element - specific AA detector . A schematic provided in figure 6 also shows that optical and other supportive detectors can be incorporated into the solvent flow ...
... pressure liquid chromatograph ( HPLC ) automatically coupled to the element - specific AA detector . A schematic provided in figure 6 also shows that optical and other supportive detectors can be incorporated into the solvent flow ...
Page 60
... pressure changes , it was possible to input better than 15 IGPM of used oil . Results The mean emission rates given in table 1 indicate that the only significant increase in emissions during used oil burning was with bromine ...
... pressure changes , it was possible to input better than 15 IGPM of used oil . Results The mean emission rates given in table 1 indicate that the only significant increase in emissions during used oil burning was with bromine ...
Page 68
... pressure and antiweld additives , are widely used . A wide range of synthetic products is also used for metalworking . These contain as many materials as a researcher's mind can conceive , including soaps , emulsifiers , glycols ...
... pressure and antiweld additives , are widely used . A wide range of synthetic products is also used for metalworking . These contain as many materials as a researcher's mind can conceive , including soaps , emulsifiers , glycols ...
Page 147
... pressures related to acid sludge disposal led to an aggressive search for improved processes -- preferably a process that would economically produce a quality oil and be more environmentally acceptable . I Underlined numbers in brackets ...
... pressures related to acid sludge disposal led to an aggressive search for improved processes -- preferably a process that would economically produce a quality oil and be more environmentally acceptable . I Underlined numbers in brackets ...
Page 195
... pressure additive in greases , gear oils Antiwear agents , minimize carbon deposits , improve lubrication and combustion Oxidation and bearing corrosion inhibitors Antiscuffing additive , metal deactivators Currently , calcium- and ...
... pressure additive in greases , gear oils Antiwear agents , minimize carbon deposits , improve lubrication and combustion Oxidation and bearing corrosion inhibitors Antiscuffing additive , metal deactivators Currently , calcium- and ...
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210 shingles 235 shingles accuracy addition aerosol aldehydes antenna applied aromatic Atkinson atmospheric atomic base benefits and costs benzaldehyde Bureau of Standards calibration Chem chemical chemical kinetics chemistry clock concentrations cost savings counter crystal oscillator cycle delay discount DUT1 engine Environmental error estimated evaluation formaldehyde formation free radicals frequency fuel HO₂ hydrocarbons input interval investment isobutene kcal ketones kinetic laboratory Loran-C measure metals method microseconds milliseconds National Bureau Niki NO₂ o-cresol olefins oscillator oscilloscope output oxidation percent phase phase detector Photochemistry photolysis Phys Pitts plumbing Pollution present value problem pulse radio rate constants rate of return ratio re-refined oil reaction receiver Recycled Oil Relative rate signal skywave smog chamber specific stations studies Table techniques tion toluene trigger troposphere venting waste oil WWVB WWVH
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Page 114 - THE INSTITUTE FOR BASIC STANDARDS provides the central basis within the United States of a complete and consistent system of physical measurement; coordinates that system with measurement systems of other nations; and furnishes essential services leading to accurate and uniform physical measurements throughout the Nation's scientific community, industry, and commerce.
Page 23 - That the functions of the bureau shall consist in the custody of the standards; the comparison of the standards used in scientific investigations, engineering, manufacturing, commerce, and educational institutions with the standards adopted or recognized by the Government; the construction, when necessary, of standards, their multiples and subdivisions; the testing and calibration of standard measuring apparatus; the solution of problems which arise in connection with standards; the determination...
Page v - In no case does such identification imply recommendation or endorsement by the National Bureau of Standards , nor does it imply that the...
Page 195 - The second is the duration of 9, 192, 631, 770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the cesium- 133 atom (13th CGPM, 1967).
Page 95 - ... (a) cause or significantly contribute to an increase in mortality or an increase in serious irreversible or incapacitating reversible illness; or (b) pose a substantial present or potential hazard to human health or the environment when improperly treated, stored, transported, or disposed of, or otherwise managed.
Page 232 - THE INSTITUTE FOR MATERIALS RESEARCH conducts materials research leading to improved methods of measurement, standards, and data on the properties of well-characterized materials needed by industry, commerce, educational institutions, and Government; provides advisory and research services to other Government agencies; and develops, produces, and distributes standard reference materials.
Page 232 - ... these efforts; builds and maintains competence in the necessary disciplines required to carry out this research and technical service; develops engineering data and measurement capabilities; provides engineering measurement traceability services; develops test methods and proposes engineering standards and code changes; develops and proposes new engineering practices; and develops and improves mechanisms to transfer results of its research to the utlimate user. The Laboratory consists of the...